1hvy

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[[Image:1hvy.gif|left|200px]]
 
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==Human thymidylate synthase complexed with dUMP and Raltitrexed, an antifolate drug, is in the closed conformation==
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The line below this paragraph, containing "STRUCTURE_1hvy", creates the "Structure Box" on the page.
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<StructureSection load='1hvy' size='340' side='right'caption='[[1hvy]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1hvy]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HVY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1HVY FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BME:BETA-MERCAPTOETHANOL'>BME</scene>, <scene name='pdbligand=CME:S,S-(2-HYDROXYETHYL)THIOCYSTEINE'>CME</scene>, <scene name='pdbligand=D16:TOMUDEX'>D16</scene>, <scene name='pdbligand=UMP:2-DEOXYURIDINE+5-MONOPHOSPHATE'>UMP</scene></td></tr>
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{{STRUCTURE_1hvy| PDB=1hvy | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1hvy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1hvy OCA], [https://pdbe.org/1hvy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1hvy RCSB], [https://www.ebi.ac.uk/pdbsum/1hvy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1hvy ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/TYSY_HUMAN TYSY_HUMAN] Contributes to the de novo mitochondrial thymidylate biosynthesis pathway.<ref>PMID:21876188</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/hv/1hvy_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1hvy ConSurf].
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<div style="clear:both"></div>
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'''Human thymidylate synthase complexed with dUMP and Raltitrexed, an antifolate drug, is in the closed conformation'''
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==See Also==
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*[[Thymidylate synthase 3D structures|Thymidylate synthase 3D structures]]
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== References ==
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==Overview==
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<references/>
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Thymidylate synthase (TS) is a major target in the chemotherapy of colorectal cancer and some other neoplasms while raltitrexed (Tomudex, ZD1694) is an antifolate inhibitor of TS approved for clinical use in several European countries. The crystal structure of the complex between recombinant human TS, dUMP, and raltitrexed has been determined at 1.9 A resolution. In contrast to the situation observed in the analogous complex of the rat TS, the enzyme is in the closed conformation and a covalent bond between the catalytic Cys 195 and dUMP is present in both subunits. This mode of ligand binding is similar to that of the analogous complex of the Escherichia coli enzyme. The only major differences observed are a direct hydrogen bond between His 196 and the O4 atom of dUMP and repositioning of the side chain of Tyr 94 by about 2 A. The thiophene ring of the drug is disordered between two parallel positions.
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__TOC__
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</StructureSection>
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==About this Structure==
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1HVY is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1HVY OCA].
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==Reference==
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Human thymidylate synthase is in the closed conformation when complexed with dUMP and raltitrexed, an antifolate drug., Phan J, Koli S, Minor W, Dunlap RB, Berger SH, Lebioda L, Biochemistry. 2001 Feb 20;40(7):1897-902. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11329255 11329255]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Thymidylate synthase]]
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[[Category: Berger SH]]
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[[Category: Berger, S H.]]
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[[Category: Dunlap RB]]
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[[Category: Dunlap, R B.]]
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[[Category: Koli S]]
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[[Category: Koli, S.]]
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[[Category: Lebioda L]]
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[[Category: Lebioda, L.]]
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[[Category: Minor W]]
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[[Category: Minor, W.]]
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[[Category: Phan J]]
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[[Category: Phan, J.]]
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[[Category: Raltitrexed]]
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[[Category: Tomudex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 19:17:07 2008''
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Current revision

Human thymidylate synthase complexed with dUMP and Raltitrexed, an antifolate drug, is in the closed conformation

PDB ID 1hvy

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